Question

A number is Frist decreased by 10%and then increased by 10% the number so obtained is 50less than the original number . the original number is​

Answer 1

let the original number =x

So

X(90/100)(110/100) = x-50

9900X/10000 = x-50

99X/100=x -50

99x /100 = x-50

99x = 100x -5000

x=5000 Answer.